Check engine light

Check soon

What it means

The engine computer found a fault in the engine, fuel or emissions system. Steady means get it checked soon. Flashing means misfires that can damage the catalytic converter.

What to do

If it flashes, slow down and get the car checked straight away. If it is steady, check the fuel cap is tight, then have the code read. An OBD2 scanner reads it in a minute.

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Colours you may see

How the manuals describe it

“Indicates a malfunction in: The hybrid system; The electronic engine control system; or The electronic throttle control system.”

“If this indicator light comes on steady or blinks while the engine is running, it may indicate a potential emission control malfunction. The MIL may also come on steady if the fuel-filler cap is loose or missing, or if the vehicle runs out of fuel. 4 liters) of fuel in the fuel tank. After a few driving trips, the light should turn off if no other potential emission control system malfunction exists.”

“Or Indicates a malfunction in: The electronic engine control system; The electronic throttle control system; or The emission control system.”

Cars with this light